The Numbers in the census refer to ages. If there is only one row of
numbers they refer to Males. If there are two rows, the first row are the
males in the household by age and the second row are the females by age.
The ages beginning at the left side are as follows:

We hope that these online materials will be of help to you but is always
best to consult original primary material for verification.

A guide to the demographic breakdowns can be found on blank 1830 census
abstracts: Page 1 & Page 2.

A map of county lines in 1830 Michigan Territory is available. The Perry-Castañeda Library Map Collection at the University of Texas at Austin has a map of the United States as it was in 1830. This map depicts clearly the boundaries of the Michigan Territory -- Michigan (upper and lower peninsulas), Wisconsin and part of Minnesota.

Males are listed before the space, females after. No zeros listed after the last person.

In cases where a number of people more than one digit long was recorded, all the individual numbers in that enumeration have been separated by periods.

(What is today Kent County would have been in Brown, St. Joseph and Oakland counties in 1830.)